 | | Re: questions on optical encoders
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On Sat, 18 Apr 1998, Paul wrote: Might I suggest taking a look at US Digital's optical encoders? (URL) have some low cost variants that we used and were very pleased with. I am looking at the data sheet for a "SP-16" <snip> (...) It is 1.78" in (...) (26 years ago, 18-Apr-98, to lugnet.robotics.handyboard)
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| | questions on optical encoders
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Hi, everyone Hi, i am currently doing a thesis topic "Micromouse project". And, I am going to purchase an small optical encoder to measure the speed, acceleration and distance that my mice has taken. My mice is driven by a DC motor, so the opti. (...) (26 years ago, 18-Apr-98, to lugnet.robotics.handyboard)
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| | Re: polaroid sonar problems
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Hi all if anyone has problems using the 6500 series for distances below 35cm by using the binh signal I have a possible solution to the problem. We also expierienced problems using the sensors for distances between 15cm and 40cm. We finally found (...) (26 years ago, 17-Apr-98, to lugnet.robotics.handyboard)
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| | ds1233
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Help: I am short one ds1233 for my freshman engineering class. Is there anyway to jumper around this part. I understand that it is in the circuit to prevent the cpu from losing it's mind on low voltage. I would be willing to put up with reloading (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | polaroid sonar problems
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We continue to progress on our first robot here at Northwestern but have run into a problem with our sonars. We have run out of solutions to try and would appreciate any help from people experienced with the polaroid sonar modules. Our sonar is (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | Writing in port D of the Handy Board
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Hello, We've just read the Web page "Additional Digital Inputs & Outputs for the Handy or Finger Board" at (URL) we don't know how to write in the port D (ie D0..7 ) in order to have more digital outputs. Please could you tell us how to do ??? (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Using Port D of the Handy Board
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In your message you said: (...) ve just read on the Handy Board FAQ that it was not possible. So, where is the truth ??? where in the FAQ does it say that it's NOT possible? If you look at the link (URL) explains how to use Port D as outputs. (...) (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | Using Port D of the Handy Board
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Hello everybody, A few month ago, someone told us that we can use port D as an ouput. But, we've just read on the Handy Board FAQ that it was not possible. So, where is the truth ??? Help, help, help !!!!!!! We need 8 ouputs (and also 8 inputs) to (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | HandyBoard Buffalo V1.0 - Update
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Hello again, Fred G. Martin had informed me that I forgot the assembly code for the Buffalo monitor. It is now on the page, (URL) BUF_HB.TXT Charles Hacker School of Engineering Griffith University - Gold Coast PMB 50 Gold Coast Mail Centre (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | HandyBoard Buffalo V1.0
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Hello All, Some time back I sent a message to the HandyBoard list to enquire if anyone had a machine code programming monitor operating system for the HandyBoard, similar to the Buffalo Monitor on Motorolla's EVB boards. (The Buffalo system allows (...) (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | Where to buy Speedwire ?
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I am looking for a place to buy "Speedwire" as mentioned in Mobile Robots Inspiration to Implementation book. Thank you, -Pandit (26 years ago, 16-Apr-98, to lugnet.robotics.handyboard)
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| | Miniboard, ICC11, and printf
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I have a miniboard and I am using the free version of ICC to program it. I did replace the standard crt.s with the one for the miniboard, but I am unable to get printf to work. Actually, I am unable to download programs that use printf. The sample (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | mem command &...
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1. The freeware version of IC had a command ('mem' if me recollection is correct) that returned the amount of free memory in the HB, but that command doesn't seem to be available in the most recent commercial version. is there some other command (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | Handyboard simulator
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Hello, I was wondering whether anyone knew of a Handyboard simulator. I am working on a group project where each person develops code in C using IC for the Handyboard. The problem is that we have only one handyboard and thus only one person is able (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | Re: 64K RAM?
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This is a common question, so I went ahead and put an answer in the FAQ. Take a look at: (URL) what it now says: ---...--- IS IT POSSIBLE TO EXPAND THE HANDY BOARD'S MEMORY TO 64K? Actually, this is hard to do. Here's why: 1.There is a compromise in (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | 64K RAM?
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Hello, I wonder if anyone knows if I can expand the Handyboard's memory to the maximum of 64KB simply be wiring in a 128kb SRAM (A16 unused so it becomes 64kb) with D0-D7 to the data bus as usual and A0-A14 to the existing RAM socket and A15 from (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | Re: Problems connecting 2 Handy Boards
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The code found at (URL) was intended for connecting a Handy Board to the host PC. It is possible to connect two Handy Boards, but you must use a NETWORK style RJ11 cable, rather than the usual TELEPHONE style RJ11. See the FAQ, under entry "The R11 (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | How work the downloader?
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I'm still problems with two boards. I'm still can download code , but never "boot". That code work in all others board.I can't make run off course, IC. My answer is : The downloader check every byte it download to the board from the memory??? Or (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | RE: Problems connecting 2 Handy Boards
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-----Original Message----- De: Ecole Louis de Broglie - Promotion 1999 <promo99@ecole-debroglie.fr> Para: handyboard@media.mit.edu <handyboard@media.mit.edu> Fecha: Miércoles 15 de Abril de 1998 06:27 Asunto: Problems connecting 2 Handy Boards (...) (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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| | Problems connecting 2 Handy Boards
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Hello everybody, We tried to link two Handy Board, via the RJ11 computer connectors, in order to make them communicate with the code we found at (URL) . But, when we plugged the cable, the Handy Boards began to smoke next to these connectors. Does (...) (26 years ago, 15-Apr-98, to lugnet.robotics.handyboard)
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